In 2023, the FDA deemed 19 peptide drugs too unsafe to be dispensed by compounding pharmacies, which mix components of approved drugs to create bespoke medication for people who have trouble taking The Human Lab Rats Injecting Themselves with Peptides Office for Science and Society McGill University BPC 157: Experimental Peptide Creates Risk for Athletes FDA Proposes Exclusion of Semaglutide, Tirzepatide, Liraglutide from 503B Bulks List FDA posted on the topic LinkedIn